Patent US2940169A successfully refreshed from Google Patents.
US2940169A
Expired / Lapsed
US
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Method of brazing two metal heads to a metal barrel to produce a bobbin for yarn
Assignee: ALLENTOWN BOBBIN WORKS
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Filing: 1955-04-05
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Granted: 1960-06-14
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Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Harold S Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:39
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/20; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943370A
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US1394382A
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US2401930A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |